<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>基本样式-列表和表格</title>
  <style>
      /*ul{*/
      /*   list-style-type: none;*/
      /*}*/

      li{
         list-style-type: none;
      }

      table,th,td{
         border: 1px solid;
      }
      table{
         border-collapse: collapse;
         width: 100%;
         height: 300px;
      }
  </style>
</head>
<body>
     <ul >
       <li>1-1</li>
       <li>1-2</li>
       <li>1-3</li>
     </ul>

     <ul >
       <li>1-1</li>
       <li>1-2</li>
       <li>1-3</li>
     </ul>


     <ol >
       <li>1-1</li>
       <li>1-2</li>
       <li>1-3</li>
     </ol>


      <table>
         <tr>
           <td>1-1</td>
           <td>1-2</td>
         </tr>
        <tr>
          <td>2-1</td>
          <td>2-2</td>
        </tr>
      </table>
</body>
</html>